Figure 8-22.-Convex slopeFigure 8-23.-Hill.Contour lines widely spaced at the bottom indicate aconvex slope (fig. 8-22).A panoramic sketch is a pictorial representation ofthe terrain in elevation and perspective as seen from onepoint of observation. This type of map shows theFigure 8-24.-Valley and draw.horizon, which is always of military importance, withintervening features, such as crests, woods, structures,roads, and fences. Figures 8-23 through 8-29 showpanoramic sketches and maps. Each figure shows adifferent relief feature and its characteristic contourpattern. Each relief feature illustrated is defined in thefollowing paragraphs.A hill is a point or small area of high ground (fig.8-23). When you are on a hilltop, the ground slopesdown in all directions.A stream course that has at least a limited extent ofreasonably level ground and is bordered on the sides byhigher ground is a valley (fig. 8-24). The valley,generally, has maneuvering room within it. Contoursindicating a valley are U-shaped and tend to parallel amajor stream before crossing it. The more gradual the8-18
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